Data sets from car insurance companies often have a high-dimensional complex dependency structure. The use of classical statistical methods such as generalized linear models or Tweedie?s compound Poisson model can yield problems in this case. Christmann (2004) proposed a general approach to...

Vor dem Hintergrund der weiter wachsenden Bedeutung der Volksrepublik China in der Weltwirtschaft beschäftigt sich die Arbeit mit dem dortigen Schutz von Patenten. Das chinesische Patentsystem entspricht dem internationalen Standard des TRIPS-Übereinkommens. Die Analyse von Patentanmeldungen...

The paper evaluates the quality of the German national accounting data (GDP and its use-side components) as measured by the magnitude and dispersion of the forecast/revision errors. It is demonstrated that government consumption series are the least reliable, whereas real GDP and real private...